Snorkel mask



FIG. 1 is a front perspective view of a first embodiment of the snorkel mask showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof, with the right side view being a mirror image;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Diagonal shading lines represent transparency or translucency. Any internal structures not visible through these surfaces are not part of the claimed design.

The broken lines are for the purpose of illustrating portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a snorkel mask, as shown and described. 